Home / 25,432.36-38,106.30-18,000.04

Finding the Fourth Proportional to 25,432.36, 38,106.30 and 18,000.04

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Solution

The fourth proportional to 25,432.36, 38,106.30 and 18,000.04 is: 26,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,432.36 : 38,106.30 = 18,000.04 : x
  2. Step 2: Convert to fraction form
    25,432.36/38,106.30 = 18,000.04/x
  3. Step 3: Cross multiply
    25,432.36x = 38,106.30 × 18,000.04
  4. Step 4: Simplify right side
    25,432.36x = 685,914,924.25
  5. Step 5: Solve for x
    x = 685,914,924.25/25,432.36
  6. Step 6: Final answer
    x = 26,970.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.